Finding the Fourth Proportional to 323,640.78, 446,613.99 and 202,847.31
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Solution
The fourth proportional to 323,640.78, 446,613.99 and 202,847.31 is: 279,922.84
Step by Step Solution
- Step 1: Write the proportion equation
323,640.78 : 446,613.99 = 202,847.31 : x - Step 2: Convert to fraction form
323,640.78/446,613.99 = 202,847.31/x - Step 3: Cross multiply
323,640.78x = 446,613.99 × 202,847.31 - Step 4: Simplify right side
323,640.78x = 90,594,446,479.87 - Step 5: Solve for x
x = 90,594,446,479.87/323,640.78 - Step 6: Final answer
x = 279,922.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.